diff --git a/tests/Makefile.am b/tests/Makefile.am
index 2b986743..ae424087 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -55,7 +55,6 @@ regression_tests = regression-attach-is.test \
 	regression-parallel-tasks-submission.test
 
 unit_tests = unit-backbone-pressure.test \
-	unit-dtlock.test \
 	unit-ring-buffer.test \
 	unit-heap.test